QEF07 - The Prisoner's Dilemma

A game with more obvious economic applications is the Prisoner's Dilemma. The quantum version of the game predicts a higher degree of cooperation than the classical version, in line with experiments.
Reference:
Eisert J, Wilkens M and Lewenstein M (1999) Quantum Games and Quantum Strategies. Physical Review Letters 83, 3077 - 3080.